Linux heracles.o2switch.net 4.18.0-553.62.1.lve.el8.x86_64 #1 SMP Mon Jul 21 17:50:35 UTC 2025 x86_64

//lib64/pkgconfig/xcb-xtest.pc

 prefix=/usr
exec_prefix=/usr
libdir=/usr/lib64
includedir=/usr/include

Name: XCB XTEST
Description: XCB XTEST Extension
Version: 1.13.1
Requires.private: xcb
Libs: -L${libdir} -lxcb-xtest
Cflags: -I${includedir}